javascript - toLocaleDateString is different using the same language - Stack Overflow

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I'm using this code.:

date.toLocaleDateString('pt-BR')

• In my chrome browser the result is.: 9/13/2016
• When I run the tests in local.: 2016-09-13
• When I runt the tests in Circle CI.: 9/13/2016

What it happens?

Ps.: I'm using Jest and JSDom for my tests.

I'm using this code.:

date.toLocaleDateString('pt-BR')

• In my chrome browser the result is.: 9/13/2016
• When I run the tests in local.: 2016-09-13
• When I runt the tests in Circle CI.: 9/13/2016

What it happens?

Ps.: I'm using Jest and JSDom for my tests.

• javascript
• node.js
• jsdom
• jestjs

Share Improve this question Follow asked Jan 24, 2017 at 13:29 Bruno QuaresmaBruno Quaresma 10.7k77 gold badges3838 silver badges5151 bronze badges 2

• try new Intl.DateTimeFormat('pt-BR').format(date) Also, check this link – Tareq Commented Jan 24, 2017 at 13:35
• toLocaleDateString is not supported in some of your environments. See this issue. – Robin Wieruch Commented Jan 20, 2021 at 8:16

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3 Answers 3

Sorted by: Reset to default 8

Use the toLocaleDateString options for set a fixed format.

var date = new Date();
var options = { year: 'numeric', month: '2-digit', day: '2-digit' };
console.log(date.toLocaleDateString('pt-BR', options));

You can add "LC_ALL="en_US.UTF-8" in the param test in package.json to fix it

"test": "LC_ALL=\"en_US.UTF-8\" npm run test",

Why do not use moment.js? It's simple and minimalist library to handle dates server side and client side, locales depend on the system and few things more, use moment and you will be sure the correct format moment.js

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